Decibel Limits: Long Beach vs Pomona
How do decibel limits rules compare between Long Beach, CA and Pomona, CA?
Pomona has fewer restrictions than Long Beach.
Long Beach, CA
Los Angeles County
Long Beach enforces exterior noise limits by district under LBMC 8.80.150. Residential areas (District 1) are limited to 50 dBA daytime (7 AM-10 PM) and 45 dBA nighttime (10 PM-7 AM). Commercial (District 2) allows 60 dBA day / 55 dBA night. Industrial zones reach 65-70 dBA.
View full Long Beach rules →Pomona, CA
Los Angeles County
Pomona City Code Chapter 18, Article VII (Noise and Vibration Control) establishes exterior noise standards measured in dBA. Residential zones have a daytime limit of 60 dBA (7 AM-10 PM) and nighttime limit of 50 dBA (10 PM-7 AM) at the property line.
View full Pomona rules →Key Facts Comparison
| Fact | Long Beach | Pomona |
|---|---|---|
| Residential Day | 50 dBA (7 AM-10 PM) | 60 dBA (7 AM–10 PM) |
| Residential Night | 45 dBA (10 PM-7 AM) | 50 dBA (10 PM–7 AM) |
| Commercial Day | 60 dBA | 70 dBA (7 AM–10 PM) |
| Commercial Night | 55 dBA | - |
| Code | LBMC 8.80.150-160 | - |
| Code Section | - | Ch. 18, Art. VII, §§18-301–18-315 |
| Measurement | - | A-weighted, slow response |
Highlighted rows indicate differences between cities.
Long Beach FAQ
What is the noise limit in residential areas of Long Beach?
50 dBA during daytime (7 AM-10 PM) and 45 dBA during nighttime (10 PM-7 AM) in District 1 (predominantly residential), as set by Table A in LBMC Section 8.80.160.
How are noise violations measured in Long Beach?
By cumulative duration per hour at the receiving property line. Noise exceeding the district standard for more than 30 minutes per hour is a violation, with stricter thresholds at higher dB levels.
Pomona FAQ
What are Pomona's residential noise limits?
Under Section 18-311, single-family residential zones allow 60 dBA during daytime (7 AM-10 PM) and 50 dBA at night (10 PM-7 AM), measured at the property line.
How are noise levels measured in Pomona?
All measurements use A-weighted sound level meters at slow response, per Section 18-301 definitions.
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